News

Mauna Loa is no longer erupting. Lava supply to the fissure 3 vent on the Northeast Rift Zone ceased on December 10th and sulfur dioxide emissions...

As the USGS responds to the 2022 eruption of Mauna Loa, the USGS Volcano Science Center and the volcano observatories mark a number of successful...

A monitoring overflight of Mauna Loa's Northeast Rift Zone eruption. This morning, there was residual incandescence and no lava movement in the...

HVO is reducing the volcano alert level for Mauna Loa from WARNING to WATCH, reflecting the limited hazards associated with the current activity.

A monitoring overflight of Mauna Loa's Northeast Rift Zone and Kīlauea's summit eruption. Both eruptions continue with greatly reduced output.

Mauna Loa's Northeast Rift Zone eruption continues, with reduced vigor. There is a visible gas plume from the erupting fissure fountains and lava...

The first few hours of Mauna Loa’s eruption were dynamic, and volcanologists intently watched monitoring data to track changing conditions and...

Mauna Loa's Northeast Rift Zone eruption continues. There is a visible gas plume from the erupting fissure fountains and lava flows.

Mauna Loa's Northeast Rift Zone eruption continues. There is a visible gas plume from the erupting fissure fountains and lava flows.

Mauna Loa's Northeast Rift Zone eruption continues. There is a visible gas plume from the erupting fissure fountains and lava flows.